krisha06 commited on
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1 Parent(s): 89c35aa

Delete finetune.py

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  1. finetune.py +0 -60
finetune.py DELETED
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- import torch
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- from transformers import AutoModelForCausalLM, AutoTokenizer, TrainingArguments, Trainer
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- from peft import LoraConfig, get_peft_model
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- from datasets import load_dataset
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-
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- # Load model and tokenizer
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- model_name = "TinyLlama/TinyLlama-1.1B-Chat-v1.0"
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- tokenizer = AutoTokenizer.from_pretrained(model_name)
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-
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- # Use 4-bit quantization to save RAM
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- model = AutoModelForCausalLM.from_pretrained(
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- model_name,
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- load_in_4bit=True, # ✅ Reduce VRAM usage
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- device_map="cpu" # ✅ Force CPU usage
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- )
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-
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- # Apply LoRA configuration
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- lora_config = LoraConfig(
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- r=8, # Low-rank dimension (small)
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- lora_alpha=32,
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- lora_dropout=0.05,
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- bias="none",
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- task_type="CAUSAL_LM" # For TinyLlama (Chat models)
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- )
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-
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- model = get_peft_model(model, lora_config)
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-
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- # Load dataset (Example: "Hello world" text)
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- dataset = load_dataset("Abirate/english_quotes", split="train[:1000]")
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-
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- def tokenize_function(examples):
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- return tokenizer(examples["quote"], padding="max_length", truncation=True, max_length=128)
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-
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- tokenized_datasets = dataset.map(tokenize_function, batched=True)
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-
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- # Training arguments
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- training_args = TrainingArguments(
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- output_dir="./tinyllama_lora",
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- per_device_train_batch_size=2, # ✅ Small batch size for CPU
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- num_train_epochs=1,
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- save_steps=10,
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- logging_steps=10,
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- optim="adamw_torch", # ✅ Better optimizer
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- save_total_limit=1,
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- )
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-
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- # Trainer
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- trainer = Trainer(
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- model=model,
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- args=training_args,
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- train_dataset=tokenized_datasets
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- )
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-
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- # Start training
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- trainer.train()
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-
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- # Save the fine-tuned model
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- model.save_pretrained("tinyllama-lora-finetuned")
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- tokenizer.save_pretrained("tinyllama-lora-finetuned")
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- print("✅ Fine-tuning complete! Model saved.")